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61244 = 2261251
BaseRepresentation
bin1110111100111100
310010000022
432330330
53424434
61151312
7343361
oct167474
9103008
1061244
1142017
122b538
1321b51
1418468
151322e
hexef3c

61244 has 12 divisors (see below), whose sum is σ = 109368. Its totient is φ = 30000.

The previous prime is 61231. The next prime is 61253. The reversal of 61244 is 44216.

It is a hoax number, since the sum of its digits (17) coincides with the sum of the digits of its distinct prime factors.

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 119 + ... + 369.

It is an arithmetic number, because the mean of its divisors is an integer number (9114).

261244 is an apocalyptic number.

It is an amenable number.

61244 is a deficient number, since it is larger than the sum of its proper divisors (48124).

61244 is a wasteful number, since it uses less digits than its factorization.

61244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 316 (or 314 counting only the distinct ones).

The product of its digits is 192, while the sum is 17.

The square root of 61244 is about 247.4752512879. The cubic root of 61244 is about 39.4173886331.

It can be divided in two parts, 612 and 44, that added together give a palindrome (656).

The spelling of 61244 in words is "sixty-one thousand, two hundred forty-four".

Divisors: 1 2 4 61 122 244 251 502 1004 15311 30622 61244